Dayton Audio Reference RS150T-8

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.5dB
• Frequency response 47 - 4200Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 46.4Hz
• Mechanical quality factor QMS 1.67
• Electrical quality factor QES 0.47
• Total quality factor QTS 0.37

Large signal parameters

• Maximum linear excursion xmax 4mm
• Air volume displaced at xmax VD 34cm³
• Power handling P 40W
• Program power Pmax 80W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.2Ω
• Inductance (1kHz) LE 0.61mH
• VC Diameter 25mm
• Winding material Copper
• Former material Aluminum

Magnet

• Force factor Bl 5.7N/A
• Motor constant Bl/√RE 2.29N/√W
• Material Ferrite

Diaphragm

• Effective diameter 104mm
• Effective area SD 85cm²
• Moving mass MMS 8.3g
• Moving mass (without air load) MMD 7.7g
• Material Black Anodized Aluminum

Suspensions

• Stiffness KMS 0.704N/mm
• Compliance CMS 1420µm/N
• Equivalent volume to the compliance VAS 14.4L
• Mechanical resistance RMS 1.45N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 6″
• 150mm
• Overall diameter 150mm
• Baffle cutout diameter 122mm
• Overall depth 71mm
• Volume occupied by the driver (estimated) 0.36L
• Frame material Cast Aluminium